build/unix/elfhack/test-ctors.c@ac0c01689b40 (annotated)
build/unix/elfhack/test-ctors.c
Thu, 15 Jan 2015 15:59:08 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 15:59:08 +0100
- branch
- TOR_BUG_9701
- changeset 10
- ac0c01689b40
- permissions
- -rw-r--r--
Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 3 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 4 | |
| michael@0 | 5 | #include "test.c" |
| michael@0 | 6 | |
| michael@0 | 7 | /* Recent binutils would put .ctors content into a .init_array section */ |
| michael@0 | 8 | __attribute__((section(".manual_ctors"), used)) |
| michael@0 | 9 | static void (*ctors[])() = { (void (*)())-1, end_test, test, NULL }; |
| michael@0 | 10 | |
| michael@0 | 11 | __attribute__((section(".init"))) |
| michael@0 | 12 | void _init() { |
| michael@0 | 13 | void (**func)() = &ctors[sizeof(ctors) / sizeof(void (*)()) - 1]; |
| michael@0 | 14 | while (*(--func) != (void (*)())-1) { |
| michael@0 | 15 | (*func)(); |
| michael@0 | 16 | } |
| michael@0 | 17 | } |
